| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | work has been [vb pp] [prep] [adj] | 39 |
|
| 2 | work has been [verb] [prep] [adj] | 39 |
|
| 3 | [noun] has been undertaken [prep] [adj] | 11 |
|
| 4 | [noun sg] has been undertaken [prep] [adj] | 10 |
|
| 5 | work has be undertaken [prep] [adj] | 5 |
|
| 6 | work has been undertaken [prep] [adj] | 5 |
|
| 7 | work has [been] undertaken [prep] [adj] | 5 |
|
| 8 | work [verb] been undertaken [prep] [adj] | 5 |
|
| 9 | work have been undertaken [prep] [adj] | 5 |
|
| 10 | work has been undertaken [prep] [adj] | 5 |
|
| 11 | work has [be] undertaken [prep] [adj] | 5 |
|
| 12 | work has been undertake [prep] [adj] | 5 |
|
| 13 | work [vb -s] been undertaken [prep] [adj] | 5 |
|
